goog.module('grrUi.flow.flowLogDirective');
goog.module.declareLegacyNamespace();



/** @type {number} */
let AUTO_REFRESH_INTERVAL_MS = 20 * 1000;

/**
 * Sets the delay between automatic refreshes of the flow log.
 *
 * @param {number} millis Interval value in milliseconds.
 * @export
 */
exports.setAutoRefreshInterval = function(millis) {
  AUTO_REFRESH_INTERVAL_MS = millis;
};


/**
 * Controller for FlowLogDirective.
 * @unrestricted
 */
const FlowLogController = class {
  /**
   * @param {!angular.Scope} $scope
   * @ngInject
   */
  constructor($scope) {
    /** @private {!angular.Scope} */
    this.scope_ = $scope;

    /** @type {?string} */
    this.logsUrl;

    /** @type {number} */
    this.autoRefreshInterval = AUTO_REFRESH_INTERVAL_MS;

    this.scope_.$watchGroup(
        ['flowId', 'apiBasePath'], this.onFlowIdOrBasePathChange_.bind(this));
  }

  /**
   * Handles flowId attribute changes.
   *
   * @private
   */
  onFlowIdOrBasePathChange_(newValue) {
    if (angular.isDefined(this.scope_['flowId']) &&
        angular.isDefined(this.scope_['apiBasePath'])) {
      this.logsUrl =
          [this.scope_['apiBasePath'], this.scope_['flowId'], 'log'].join('/');
    }
  }
};



/**
 * Directive for displaying logs of a flow with a given URN.
 *
 * @return {!angular.Directive} Directive definition object.
 * @ngInject
 * @export
 */
exports.FlowLogDirective = function() {
  return {
    scope: {flowId: '=', apiBasePath: '='},
    restrict: 'E',
    templateUrl: '/static/angular-components/flow/flow-log.html',
    controller: FlowLogController,
    controllerAs: 'controller'
  };
};

/**
 * Directive's name in Angular.
 *
 * @const
 * @export
 */
exports.FlowLogDirective.directive_name = 'grrFlowLog';
